function startList() {
if (document.all&&document.getElementById) {
  navRoot = document.getElementById("nav");
  for (i=0; i<navRoot.childNodes.length; i++) {
	 node = navRoot.childNodes[i];
	 if (node.nodeName=="LI") {
		node.onmouseover=function() {
		   this.className+=" over";
		}
		node.onmouseout=function() {
		   this.className=this.className.replace(" over", "");
		}
	 }
  }
} 
}